Nonprofits in Wisconsin

Nonprofits in Wisconsin. Browse 46,682 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Nyholm Family Foundation Inc

    EIN 391869651 · Headquarters: Glendale, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  2. Nze Felix I Chukwudelunzu Memorial Foundation for Health

    EIN 863616101 · Headquarters: EAU CLAIRE, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. O J Noer Research Foundation Inc

    EIN 362672850 · Headquarters: MUKWONAGO, WI, USA · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990

  4. O Panache Empowerment Corp

    EIN 991114717 · Headquarters: West Allis, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. O-I-See Youth Strategies

    EIN 812346734 · Headquarters: Hudson, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. O-w Booster Club

    EIN 383786475 · Headquarters: WITHEE, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Oak Creek Alumni Club Inc

    EIN 391992942 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Oak Creek Attack Wrestling Club

    EIN 262589866 · Headquarters: OAK CREEK, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Oak Creek Basketball Club

    EIN 832603247 · Headquarters: Oak Creek, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Oak Creek Bbc Inc

    EIN 264121604 · Headquarters: Oak Creek, WI, US · Youth Development · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  11. Oak Creek Bleacher Bunch

    EIN 201125758 · Headquarters: Oak Creek, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Oak Creek Bowling Knights

    EIN 933634438 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Oak Creek Community Center Inc

    EIN 391375548 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Oak Creek Community for the Arts Foundation Inc

    EIN 993238383 · Headquarters: Oak Creek, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Oak Creek Education Association

    EIN 237083175 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Oak Creek Education Support Professionals

    EIN 262707335 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Oak Creek Fast Pitch Fanatics

    EIN 810561244 · Headquarters: Muskego, WI, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  18. Oak Creek Fastpitch Fanatics Inc

    EIN 471069198 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Oak Creek Girls Youth Basketball Cl Ub

    EIN 832410972 · Headquarters: Oak Creek, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Oak Creek High School Pom Booster Club

    EIN 271999467 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Oak Creek High School Robotics Booster Club

    EIN 812711686 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Oak Creek Historical Society Inc

    EIN 396108547 · Headquarters: Oak Creek, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Oak Creek Junior Knights Booster Club Inc

    EIN 461481218 · Headquarters: Oak Creek, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  24. Oak Creek Land Trust Inc

    EIN 311639726 · Headquarters: Oak Creek, WI, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  25. Oak Creek Lions Club

    EIN 396095368 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Oak Creek Lions Community Foundation Inc

    EIN 421738184 · Headquarters: OAK CREEK, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Oak Creek Little League Inc

    EIN 391406962 · Headquarters: OAK CREEK, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Oak Creek National Night Out

    EIN 820551804 · Headquarters: Oak Creek, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Oak Creek Professional Fire Fighters Benevolence & Charities I

    EIN 921852656 · Headquarters: Oak Creek, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Oak Creek Professional Policemens Association

    EIN 391712678 · Headquarters: OAK CREEK, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Oak Creek Public Library Foundation

    EIN 455169633 · Headquarters: Oak Creek, WI, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990

  32. Oak Creek Quarterback Club

    EIN 391786286 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Oak Creek Queen of Diamonds

    EIN 263475928 · Headquarters: Oak Creek, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Oak Creek Rod & Gun Club Inc

    EIN 391093559 · Headquarters: franklin, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Oak Creek Scholarship Foundation Inc

    EIN 933279100 · Headquarters: OAK CREEK, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Oak Creek Soccer Club

    EIN 391831084 · Headquarters: Oak Creek, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. Oak Creek Track Club

    EIN 464278421 · Headquarters: Oak Creek, WI, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. Oak Creek Youth Football

    EIN 450538260 · Headquarters: OAK CREEK, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Oak Creek Youth Parent Group

    EIN 270237120 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Oak Creek Youth Sports Club Inc

    EIN 800255802 · Headquarters: Oak Creek, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Oak Creek Zone Baseball Inc

    EIN 814014094 · Headquarters: OAK CREEK, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. Oak Creek-franklin Foundation for Education Inc

    EIN 392042350 · Headquarters: Oak Creek, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Oak Forest Retreat and Conference Center

    EIN 391951318 · Headquarters: FREDERIC, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Oak Grove Cemetery Assoc of Tomah

    EIN 390511955 · Headquarters: TOMAH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Oak Grove Cemetery Association Haase

    EIN 393511956 · Headquarters: OSCEOLA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Oak Grove Cemetery Association Inc

    EIN 390511950 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Oak Grove Neighborhood Association

    EIN 271949987 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Oak Haven Ranch & Rescue

    EIN 475367228 · Headquarters: Waupaca, WI, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Oak Hill Cemetery Assn

    EIN 396050720 · Headquarters: BROOKFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Oak Hill Cemetery Association

    EIN 390512013 · Headquarters: BLACK EARTH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Oak Hill Cemetery Association

    EIN 390512025 · Headquarters: Waterloo, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Oak Hill Cemetery Association

    EIN 390512030 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Oak Hill Cemetery Association

    EIN 390833056 · Headquarters: NORTH FREEDOM, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Oak Hill Cemetery Association

    EIN 391027620 · Headquarters: Westfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Oak Hill Learners Guild

    EIN 932341179 · Headquarters: RIVER FALLS, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Oak Meadow Reigns 4-H Club

    EIN 830482666 · Headquarters: Portage, WI, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  57. Oak Outreach Wisconsin Inc

    EIN 394416641 · Headquarters: SUSSEX, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Oak Park Place Foundation Inc

    EIN 821271889 · Headquarters: MADISON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Oak Ridge Cemetery Association

    EIN 396193385 · Headquarters: EAST TROY, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Oak Ridge Rifle Club of Middleton

    EIN 396076201 · Headquarters: Belleville, WI, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Oak Society

    EIN 043638457 · Headquarters: WHITEWATER, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Oak Wood Knolls Wisconsin Corporative Water Association

    EIN 391496079 · Headquarters: Bristol, WI, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  63. Oakdale Area Fire Association

    EIN 391917497 · Headquarters: OAKDALE, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Oakdale Area Snowmobile Assn Inc

    EIN 391926672 · Headquarters: Oakdale, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Oakdale Credit Union

    EIN 396049985 · Headquarters: OAKDALE, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Oakdale Electric Cooperative

    EIN 390512153 · Headquarters: OAKDALE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Oakfield Alumni Scholarship Fund Inc

    EIN 861589714 · Headquarters: Oakfield, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Oakfield Area Historical Society

    EIN 822822887 · Headquarters: Oakfield, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Oakfield Conservation Club

    EIN 396076358 · Headquarters: OAKFIELD, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Oakfield Crush Fastpitch

    EIN 474954745 · Headquarters: Oakfield, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Oakfield Education Association

    EIN 237088258 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Oakfield Ffa Alumni

    EIN 454428202 · Headquarters: OAKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Oakfield Housing Inc C/o Wisconsin Housing Preservation Corp

    EIN 391877014 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Oakfield Recreational Association Inc

    EIN 237098380 · Headquarters: Oakfield, WI, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  75. Oakhill Christian School Ltd

    EIN 201085475 · Headquarters: JANESVILLE, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Oakland Conservation Club Inc

    EIN 391516891 · Headquarters: Fort Atkinson, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Oaklawn Cemetery Association

    EIN 396063406 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Oaklawn Harmony Centre Inc

    EIN 391983677 · Headquarters: MENOMONIE, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Oakmound Cemetary

    EIN 391945441 · Headquarters: Brandon, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Oakridge Cemetery Association of Eagle Wisconsin

    EIN 391172850 · Headquarters: Eagle, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Oaks Ministry Collaborative Inc

    EIN 992625585 · Headquarters: Madison, WI, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Oakwood Cemetery Assn

    EIN 396076195 · Headquarters: Kenosha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Oakwood Cemetery Association

    EIN 390512435 · Headquarters: BEAVER DAM, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Oakwood Cemetery Association

    EIN 390512437 · Headquarters: Weyauwega, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Oakwood Cemetery Association

    EIN 391449502 · Headquarters: Waterford, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Oakwood Chamber Players Inc

    EIN 391873596 · Headquarters: Madison, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Oakwood Elementary Parent Teacher Organization Incorporated

    EIN 922531549 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Oakwood Foundation Inc

    EIN 391398037 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Oakwood Improvement Association

    EIN 396081136 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Oakwood Residence Inc

    EIN 391637576 · Headquarters: Superior, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Oakwood Village Prairie Ridge Apartments Inc

    EIN 391966790 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Oakwood Village Prairie Ridge Homes Inc

    EIN 391966791 · Headquarters: MADISON, WI, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Oakwood Village University Woods Apartments Inc

    EIN 237401541 · Headquarters: MADISON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Oakwood Village University Woods Homes Inc

    EIN 390790565 · Headquarters: MADISON, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Oartherainbow Public Benefit Corporation

    EIN 932187378 · Headquarters: Madison, WI, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Oasis 2000 Inc

    EIN 391234501 · Headquarters: Rice Lake, WI, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  97. Oasis Healthcare Mke Inc

    EIN 920606431 · Headquarters: GRAFTON, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  98. Oasis Project Incorporated

    EIN 812445074 · Headquarters: Dousman, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Oasis Resource Center Inc

    EIN 134286913 · Headquarters: Milwaukee, WI, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Oasis Theater Company Inc

    EIN 260150274 · Headquarters: Wausau, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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